build.xml

<project name="ObjectData" default="dist" basedir=".">
    <dirname property="pdir" file="build.xml" /> 
    <basename property="dirname" file="${pdir}"/> 

    <property name="pluginname" value="${dirname}"/>
    <property name="plugins" location="${minecraft.dir}\plugins"/>

    <property name="src" location="src"/>
    <property name="bin" location="bin"/>
    <property name="dist" location="dist"/>

    <target name="init">
        <mkdir dir="${bin}"/>
    </target>

    <target name="compile" depends="init">
        <javac srcdir="${src}" destdir="${bin}" includeantruntime="false">
            <classpath>
                <pathelement location="${bukkit.jar}"/>
            </classpath>
        </javac>
    </target>

    <target name="dist" depends="compile">
        <mkdir dir="${dist}"/>
        <jar jarfile="${dist}/${pluginname}.jar">
            <fileset dir="${bin}"/>
            <fileset file="${src}/plugin.yml"/>
        </jar>
    </target>

    <target name="deploy" depends="dist">
        <copy file="${dist}/${pluginname}.jar" todir="${plugins}" overwrite="true"/>
    </target>

    <target name="clean">
        <delete dir="${bin}"/>
        <delete dir="${dist}"/>
    </target>
</project>